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  1. #1
    Noob
    Join Date
    Jul 2005
    Location
    florida
    Posts
    91

    Question spun rod bearing?

    i pulled the bearings out of my b20z(stock) bottom w/ gsr head, what do you think? one of them on the outside of the bearing is like copper color compared to the others, the insides look almost all the same and the crank seems fine smooth like glass on journals, no metal pieces or no wear and i was using a type r oil pump just in case you needed to know, whats the cheapest thing i can do.. help please!

    Last edited by gsrb20z; 04-29-2006 at 03:03 PM.

  2. #2
    Brand Spanking Noob
    Join Date
    Apr 2006
    Location
    Arizona
    Posts
    24
    Make sure you use arp rod bolts in the bottom end. The stock ones were never meant to handle the punishment. If you don't you have a high probability of spinning a bearing.

  3. #3
    Senior Member
    Join Date
    Oct 2005
    Location
    CT
    Posts
    1,128
    Quote Originally Posted by gsrb20z
    i pulled the bearings out of my b20z(stock) bottom w/ gsr head, what do you think? one of them on the outside of the bearing is like copper color compared to the others, the insides look almost all the same and the crank seems fine smooth like glass on journals, no metal pieces or no wear and i was using a type r oil pump just in case you needed to know, whats the cheapest thing i can do.. help please!
    was the motor making noise? You would know if you spun a bearing. A spun bearing is just that...a bearing that has spun around the crank, and out of it's normal position....usually because you either sretched or broke a rod bolt from revving too high.
    *Back from deployment!!!*

  4. #4
    Noob
    Join Date
    Jul 2005
    Location
    florida
    Posts
    91
    first i overrevved it past 9 grand.........drove fine for like 2 days( after i did that i was afraid to get on it for a while) then i said oh it will be fine ran my friends turbo civic and it started makin metal sorta grinding/rubbing noises, barely made it home...it wanted to start... but the noise sounded like it was commin f/ the block definately and i did put arp rod bolts in it before, maybe they ewrent torqued enough.....thanks for the advice.

  5. #5
    Senior Member
    Join Date
    May 2005
    Posts
    1,347
    maybe u should pull the motor apart...

  6. #6
    Über Alles
    Join Date
    May 2004
    Location
    Tomb of the Mutilated (Tempe, AZ)
    Posts
    8,289
    I can't see a picture. I don't know if you posted any or not. But, what bearings did you use?

    It seems to me like you used tri-metal bearings and chewed through the babbitt layer and exposed the copper-lead layer. Have the rod big ends machined after you install aftermarket rod bolts to make sure they're round.
    I SOLD MY SOUL
    FOR ROCK 'N' ROLL

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  7. #7
    Noob
    Join Date
    Oct 2005
    Posts
    94
    u is fool for revving it up to 9 grand the b20 stock block can only hold about lil over 7 grand

  8. #8
    Senior Member
    Join Date
    Jan 2005
    Location
    DALEGENDOFQZ
    Posts
    6,341
    got dam 9gran stock block ouchhh
    :peace:

  9. #9
    Member
    Join Date
    Sep 2004
    Location
    nYc
    Posts
    625

    why...

    why 9k...ur probably not makin power passed 8000...its just unnecessary punishment....

  10. #10
    High Infraction Level
    Join Date
    Jun 2005
    Location
    In Your Mothers Room
    Posts
    4,961
    dam what are you doing revving a 9k?? thats a no no take it to 8 the most

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